SW Systems Engr Principal

SW Systems Engr Principal

Job ID: 2617450

Location: Reston, VA, United States

Date Posted: Sep 30, 2026

Category: Software

Subcategory: SW Systems Engr

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: TS/SCI

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: On-Site

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Job Description

Description

SAIC is seeking a high energy, detail oriented and highly organized Principal Software Systems Engineer to lead and manage the design and maintain complex, large-scale software and infrastructure, bridging the gap between low-level system software development and high-level applications.

Responsibilities

• System Architecture & Design: Lead the design and implementation of scalable, reliable software modules and integrated cloud infrastructure in Cameo/Magic Draw environment in both SysML and UML.
• Interoperability & Integration: Ensure seamless data exchange, communication, and synchronization across platforms, cloud environments, and third-party services.
• Requirements Traceability: Link system requirements directly to software components, functional allocations, and verification test constructs.
• Collaborative Environment Management: Utilize repository tools like Teamwork Cloud for multi-user configuration control and digital thread integration.
• Cross-Disciplinary Leadership: Guide engineering teams through technical interchanges and tasks.
• Stakeholder Collaboration: Partner with executive leadership, stakeholders, the chief engineer, the lead systems engineer, product managers, and individual system engineering teams to align technical roadmaps with organizational objectives.
• Cross-Domain Integration: Ensure software interacts efficiently with systems, databases, and external interfaces.
• Governance & Standards: Establish governance processes, compliance frameworks, and interface definitions to guide ongoing development across all component systems.
• Technical Leadership: Mentor engineering teams, review subsystem designs, and guide technical consensus during complex problem-solving.
• Troubleshooting & Optimization: Diagnose and resolve complex root-cause failures across multiple layers (code, firmware, network, and storage).
• DevOps & Automation: Deploy applications via CI/CD pipelines, containerization (Docker/Kubernetes), and Infrastructure-as-Code frameworks.

Qualifications

• US Citizen with TS/SCI clearance.
• Bachelor's degree with 10+ years of professional experience in software and systems engineering in Agile development environments, and robust hands-on expertise in MBSE tools and methodologies.
• Proficiency in SysML/UML, DOORS, modern programming languages (such as C#, Java, Python, or C++) alongside deep database and cloud platform familiarity.
• Strong analytical problem-solving, project estimation, and cross-functional communication abilities
• Experience with Integrated Fires systems, cloud-based USSF/DAF systems, customers and missions.
• Demonstrated experience working with the defense industry supporting US Government customers.

Preferred Qualifications

• Experience with space systems, satellite architectures, ground systems, or space domain awareness.
• Background in IT services, cloud solutions, or managed services for government customers.
• Familiarity with IC systems, community customers and mission sets.
• Prior experience in a Solutions Architect or Chief Engineer role on large government programs.
• Advanced degree in Engineering, Computer Science, or a related technical field.

Target salary range: $200,001 - $240,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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